WO2009003332A1 - Wire rope space anti-interference arrangement for crane with multiple hoisting points - Google Patents

Wire rope space anti-interference arrangement for crane with multiple hoisting points Download PDF

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Publication number
WO2009003332A1
WO2009003332A1 PCT/CN2007/003426 CN2007003426W WO2009003332A1 WO 2009003332 A1 WO2009003332 A1 WO 2009003332A1 CN 2007003426 W CN2007003426 W CN 2007003426W WO 2009003332 A1 WO2009003332 A1 WO 2009003332A1
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WO
WIPO (PCT)
Prior art keywords
main beam
hoisting
pulley
wire rope
arrangement
Prior art date
Application number
PCT/CN2007/003426
Other languages
French (fr)
Chinese (zh)
Inventor
Weiyue Li
Min Gu
Changhai Yin
Original Assignee
Dalian Huarui Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN200710011936A external-priority patent/CN100581975C/en
Priority claimed from CNU200720013041XU external-priority patent/CN201068366Y/en
Application filed by Dalian Huarui Co., Ltd. filed Critical Dalian Huarui Co., Ltd.
Priority to JP2010513611A priority Critical patent/JP5426541B2/en
Publication of WO2009003332A1 publication Critical patent/WO2009003332A1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details

Definitions

  • This invention relates to a hoisting machine, and more particularly to a multi-hanging crane for hoisting a subsea docking of an offshore drilling platform, and a space anti-interference arrangement for a multi-winding system on other similar cranes. Background technique
  • the offshore docking platform is designed to meet the demanding requirements of multi-hanging cranes.
  • the lifting capacity should be too large (up to 20,000 tons for combined lifting), the lifting height should be super high (up to 103m), and the main beam span is large ( The span is 125m); the crane with super-lifting weight increases the lifting height and reduces the high construction cost caused by the high-grade (C50 grade) concrete support.
  • the main beam is required to use the lower flange plate horizontally and the upper cover plate is high. Low main beam structure on both sides, and the width of the beam is small; due to the excessive weight, it is necessary to use a multi-winding system (two sets per set or two sets of hoisting systems at each end) to hoist at the same time.
  • the number of conventional crane hoisting mechanisms and winding systems is small, generally 1 to 2 sets, and the arrangement is not staggered, and only a plane arrangement can be realized, but the lifting of the overweight can not be completed on the platform;
  • the lifting crane is used to realize the lifting, and the multiple lifting mechanism and the wire rope winding system are arranged in the narrow width of the main beam, and the general arrangement type cannot be realized at all.
  • Multi-hedge cranes are usually used for lifting large loads.
  • the height of the main beam is large, and the width between the webs of the main girder is small.
  • the space arrangement of multiple sets of independent hoisting systems is easy to cause between the ropes and between the ropes and the main beam. Interference with each other; Studying the space anti-interference arrangement scheme of the multi-hanging crane hoisting wire rope winding system is a key issue to be solved urgently. Summary of the invention
  • the object of the present invention is to solve the above problems, placing multiple sets of winches on the upper part of the main beam, by using different winch support heights and connecting the center of the hoist drum at the end of each main beam to the center of the guide clearing wheel relative to the center of the main beam
  • the line forms a small yaw angle, so that the wire ropes are staggered along the upper space of the main beam, and then the guide wheel is wound from the small hole into the main beam and wound onto the fixed and movable pulley blocks to solve the above problem;
  • the technical means adopted by the present invention are as follows -
  • the utility model relates to a space anti-interference arrangement for a plurality of lifting point crane hoisting wire ropes, comprising a main beam, a movable pulley block, a fixed pulley block and a hoisting machine, wherein the upper space of the upper beam upper cover plate is provided with a guiding pulley, and the cover plates at both ends are provided with a hoisting machine support
  • L is the length of the reel
  • a is the width of the upper cover of the main beam
  • b is the length of the upper cover of the main beam
  • is the angle of the rope of the hoist.
  • the optimal solution is that the dividing line ⁇ - ⁇ ' is parallel with the line connecting the vertical center line of the hoisting machine at both ends and the center line of the guiding pulley, and the small yaw angle ⁇ is equal to the hoist at each end of the small yaw angle and
  • the guide pulleys are arranged symmetrically.
  • the movable pulley blocks in each of the hoisting systems composed of the hoists are connected by a connecting rod.
  • the hoist support on the cover plates at both ends of the main beam is arranged in a stepped manner, and the installation height of each guide pulley corresponds to the height of each hoist support.
  • the multi-point lifting crane hoisting wire rope space anti-interference arrangement provided by the present invention is realized by a simple structure, and the space anti-interference arrangement scheme of the wire rope system of the hoisting mechanism composed of multiple sets of hoisting systems It is suitable for large lifting height and large span multi-hanging cranes with narrow composite main girder, so that the crane has the following worries when lifting large lifting structures such as drilling platforms:
  • the mechanism is simple to arrange, easy to manufacture, install and maintain;
  • the hoisting mechanism consisting of multiple sets of hoisting systems is highly efficient
  • Figure 1 is a schematic structural view of the present invention
  • Figure 2 is a front view of the present invention
  • Figure 3 is a plan view of the main beam of the present invention.
  • Figure 4 is a schematic view showing the winding structure of the steel wire rope of the present invention.
  • the multi-hanger crane hoisting wire rope space anti-interference arrangement is used in multi-hanging cranes for overweight structures such as hanging drilling platforms.
  • the crane is usually used for lifting large loads, the main beam height is large, and the width between the main girder webs is small, usually composed of multiple sets of hoisting systems, each hoisting system includes a hoist 1, a guide pulley 2
  • the winch 1 includes a reel (including a wire rope press plate), a speed reducer, a brake, an open gear, a coupling, a floating shaft, and the like, that is, a complete drive mechanism from a coupling connected to the motor to a final stage brake.
  • the wire rope 6 forms a steel wire occupation area between the guide pulley 2 and the effective portion of the hoisting machine 1, and the area can be characterized by two triangles AABC and AA' B' C' which are the angled top of the guide pulley 2, as shown in FIG.
  • the hoisting machine 1 is placed on the cover plate of the main beam 10, and two or more sets of hoisting machines are arranged on the upper cover plates of each main beam; the wire ropes 6 of each hoisting machine are passed along a fixed guiding pulley 2 in the upper space of the main beam cover plate.
  • the single rope exit/inlet hole 8 on the upper beam upper cover enters the main beam inner pulley block 5, and then is wound onto the movable pulley block 3, and is repeatedly wound between the movable pulley and the fixed pulley as shown in Fig. 4, and finally fixed at the main
  • the beam is fixed on the fixed end 9 of the pulley side.
  • each set of hoisting machines on both ends of the main beam adopts hoisting machines 7 of different heights, so that the hoisting heights of the different hoisting reel wire ropes 6 are different, and the formed steel rope occupying faces are not in the same plane;
  • the hoist support 7 on the plate is distributed in a stepped manner, and the mounting height of each of the guide pulleys 2 corresponds to the height of each of the hoisting supports 7 as shown in FIG.
  • the line connecting the vertical center line of the reel 1 at both ends and the center line of the guide pulley 2 and the center line of the main beam 10 also form a small off angle ⁇ , and the range of the small off angle ⁇ is ⁇ ⁇ , wherein The range of the hoisting angle of the hoist is less than or equal to 2.
  • the boundary line I-1' is parallel with the line connecting the vertical center line of the hoist 1 at both ends and the center line of the guide pulley 2, and the small yaw angle ⁇ is equal to the hoist and the guide pulley at both ends of the small yaw angle Symmetrically arranged, the hoisting machines 1 on the same end are in the same direction as the eccentric angle generated by the main beam 10; this arrangement enables the wire ropes 6 to be staggered in space, avoiding interference between the wire ropes and the wire ropes and the main beams, and The hoisting drum and the yaw angle of the pulley meet the standard. Further, the movable sheave group 3 in each of the hoisting systems composed of the hoists 1 is connected by the link 4.
  • the 6 sets of hoisting system with the main beam are arranged as an example: 6 sets of hoisting machine 1 are arranged on the main beam 10, in order to ensure that the yaw angle of the wire rope on the reel and the pulley does not exceed the standard, 3 sets of each end are finally adopted.
  • the hoisting machine 1 wherein the length b of the upper cover of the main beam is 130 meters, the width a of the upper cover is 4 meters, and the deflection angle of the hoisting mechanism is less than or equal to 2 degrees.
  • the value of ⁇ is 1. 04 ⁇
  • the center line of the hoisting machine 1 and the center line of the guide pulley 2 and the center line of the main beam 10 also form a small yaw angle ⁇ is also 1. 04 degrees, so that Symmetrical parallel.
  • the hoisting machine 1 adopts the supports 7 of different heights to form the wire ropes in a staggered arrangement, and the movable pulley blocks 3 in the hoisting systems composed of the hoisting machines 1 are connected by the connecting rods 4, so that the moving pulley blocks 3 in the hoisting system Maintaining a fixed distance; avoiding the interference problem between the upper wire ropes of the beam, and at the same time, due to the arrangement, the spatial position between the guide wheel 2 and the fixed pulley block 5 is changed, which is easy to ensure that the wire rope and the pulley yaw angle in the main beam meet the requirements, and can be avoided.
  • the mutual interference between the wires is easy to ensure that the wire rope and the pulley yaw angle in the main beam meet the requirements, and can be avoided.
  • the wire rope winding of the single-winding system is that the wire rope 6 is taken out from the hoisting machine 1 through the guiding pulley 2 to the fixed pulley group 5, and then to the movable pulley group 3, which is repeatedly wound between the moving pulley and the fixed pulley, and finally fixed on the fixed pulley side of the main beam.
  • the wire rope 6 is taken out from the hoisting machine 1 through the guiding pulley 2 to the fixed pulley group 5, and then to the movable pulley group 3, which is repeatedly wound between the moving pulley and the fixed pulley, and finally fixed on the fixed pulley side of the main beam.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
  • Bridges Or Land Bridges (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

A wire rope space anti-interference arrangement for a crane with multiple hoisting points is disclosed. The hoister comprises a main girder (10), a movable pulley block (3), a fixed pulley block (5) and a hoister (1). Leading pulleys (2) are provided in the upper space of the upper cover board of the main girder (10). Hoister steadiers (7) with different height are provided at two ends of the cover board. Corresponding to the height of the hoister steadiers (7), the leading pulleys (2) are mounted at different height. Connecting lines are located between the vertical center lines of the hoister winding drums provided at two ends of the main girder (10) and the center lines of the respectively corresponding leading pulleys (2) of the hoister winding drums. A same small fleet anger (α) is formed between the connecting lines and the center line of the main girder (10), corresponding to the fleet anger between the hoister (1) at the same end and the main girder (10). The two fleet angers between the hoisters (1) at two ends and the main girder (10) are opposite. The anti-interference arrangement is simple, its manufacture, installation and maintain is handy, its operation is of highperformance, safe and reliable. The arrangement is applied to the crane for hoisting the superheavy article such as drilling platform and so on.

Description

多吊点起重机起升钢丝绳空间防干涉布置 技术领域  Multi-hanging crane hoisting wire rope space anti-interference arrangement
本发明涉及一种起重机械, 尤其涉及一种用于海上钻井平台分段对接时吊 装用的多吊点起重机, 及其它同类起重机上的多卷扬系统的空间防干涉布置。 背景技术  BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a hoisting machine, and more particularly to a multi-hanging crane for hoisting a subsea docking of an offshore drilling platform, and a space anti-interference arrangement for a multi-winding system on other similar cranes. Background technique
海上钻井平台分段对接对用多吊点起重机提出了苛刻的要求, 起重量要超 大(联合起吊可达 2万吨),起升高度要超高(最大可达 103m),主梁跨度大(跨 度为 125m); 超大起重量的起重机为增加起升高度, 减少高等级(C50级)混凝 土支座的所带来的高建筑成本, 需要主梁采用下翼缘板水平而上盖板中间高两 侧低的主梁结构,且梁的宽度较小; 由于起重量过大, 必须采用多卷扬系统(每 根主梁每端 2套或 2套以上卷扬系统) 同时起吊来完成。  The offshore docking platform is designed to meet the demanding requirements of multi-hanging cranes. The lifting capacity should be too large (up to 20,000 tons for combined lifting), the lifting height should be super high (up to 103m), and the main beam span is large ( The span is 125m); the crane with super-lifting weight increases the lifting height and reduces the high construction cost caused by the high-grade (C50 grade) concrete support. The main beam is required to use the lower flange plate horizontally and the upper cover plate is high. Low main beam structure on both sides, and the width of the beam is small; due to the excessive weight, it is necessary to use a multi-winding system (two sets per set or two sets of hoisting systems at each end) to hoist at the same time.
而传统起重机起升机构及缠绕系统的数量少, 一般为 1到 2套, 布置无交 错的情况, 只需平面布置即可实现, 但在平台上无法完成超大重量的起吊; 所 以只能采用多吊点起重机来实现, 而采用多套起升机构及钢丝绳缠绕系统布置 在主梁狭窄宽度内, 一般布置型式是根本无法实现的。 多吊点起重机通常用于 起吊超大载荷,其主梁高度尺寸较大,而主梁腹板间宽度尺寸较小,其多套独立 卷扬系统空间布置容易造成钢丝绳间以及钢丝绳与主梁间的互相干涉; 研究多 吊点起重机起升钢丝绳缠绕系统空间防干涉布置方案, 是亟待解决的关键问题。 发明内容  However, the number of conventional crane hoisting mechanisms and winding systems is small, generally 1 to 2 sets, and the arrangement is not staggered, and only a plane arrangement can be realized, but the lifting of the overweight can not be completed on the platform; The lifting crane is used to realize the lifting, and the multiple lifting mechanism and the wire rope winding system are arranged in the narrow width of the main beam, and the general arrangement type cannot be realized at all. Multi-hedge cranes are usually used for lifting large loads. The height of the main beam is large, and the width between the webs of the main girder is small. The space arrangement of multiple sets of independent hoisting systems is easy to cause between the ropes and between the ropes and the main beam. Interference with each other; Studying the space anti-interference arrangement scheme of the multi-hanging crane hoisting wire rope winding system is a key issue to be solved urgently. Summary of the invention
本发明的目的是针对以上问题, 将多套卷扬机放在主梁上部, 通过采用不 同卷扬机支座高度和使主梁每端多套卷扬机卷筒中心与导向清轮中心的连线相 对主梁中心线形成 1个小偏角, 使钢丝绳沿主梁上部空间形成交错布置, 然后 通过导向轮从小孔进入主梁缠绕到定、 动滑轮组上, 来解决上述问题; 本发明 采用的技术手段如下- 一种多吊点起重机起升钢丝绳空间防干涉布置, 包括主梁、 动滑轮组、 定 滑轮组和卷扬机, 主梁上盖板的上部空间内装有导向滑轮, 两端的盖板上设有 卷扬机支座用来固定卷扬机, 所述的钢丝绳在导向滑轮与卷扬机的有效部分之 间形成钢绳占用面积, 该面积可用以导向滑轮为顶角的两个三角形 AABC 与 A' B' C'来表征, 其特征在于所述的两个三角形沿分界线 Ι-Γ 对称并相向布置, 分界线 Ι-Γ 同主梁中心线构成小偏角 所述的主梁上盖板两端设有 2套或 2 套以上的卷扬机; 所述的各卷扬机支座的高度不同, 且各导向滑轮的安装高度 和位置与各卷扬机支座的高度相对应也不同, 所形成的钢绳占用面不在同一平 面; 所述两端各套卷扬机的卷筒垂直中心线与导向滑轮中心线的连线与主梁的 中心线也形成 1个小偏角 α, 位于同一端上的各卷扬机同主梁产生的偏角方向 一致, 且主梁两端的卷扬机与主梁形成的偏角相对; 所述卷扬机的钢丝绳沿主 梁盖板的上部空间经一个固定导向滑轮从主梁上盖板上的单绳出 /入孔进入主 梁内定滑轮组上, 然后缠绕到动滑轮组上, 在动滑轮和定滑轮之间反复缠绕, 最后固定在主梁上定滑轮组侧面的固定端上。 The object of the present invention is to solve the above problems, placing multiple sets of winches on the upper part of the main beam, by using different winch support heights and connecting the center of the hoist drum at the end of each main beam to the center of the guide clearing wheel relative to the center of the main beam The line forms a small yaw angle, so that the wire ropes are staggered along the upper space of the main beam, and then the guide wheel is wound from the small hole into the main beam and wound onto the fixed and movable pulley blocks to solve the above problem; the technical means adopted by the present invention are as follows - The utility model relates to a space anti-interference arrangement for a plurality of lifting point crane hoisting wire ropes, comprising a main beam, a movable pulley block, a fixed pulley block and a hoisting machine, wherein the upper space of the upper beam upper cover plate is provided with a guiding pulley, and the cover plates at both ends are provided with a hoisting machine support To fix the hoist, the wire rope is in the effective part of the guiding pulley and the hoist Forming a steel rope footprint, which can be characterized by two triangles AABC and A'B'C' with the leading pulley as the apex angle, characterized in that the two triangles are symmetrically and oppositely arranged along the boundary line Ι-Γ , dividing line Ι-Γ with the center line of the main beam forming a small yaw angle, the two ends of the upper beam of the main beam are provided with two or more sets of hoisting machines; the heights of the hoisting machines are different, and each guiding The installation height and position of the pulleys are also different from the heights of the hoisting machines, and the formed steel rope occupying surfaces are not in the same plane; the vertical center line of the windings of the hoisting machines at both ends and the center line of the guiding pulleys are connected A small declination angle α is also formed with the center line of the main beam, and the hoisting machines on the same end are in the same direction as the eccentric angle generated by the main beam, and the hoisting machine at both ends of the main beam is opposite to the eccentric angle formed by the main beam; The wire rope is inserted into the main beam inner pulley block from the upper rope exit/inlet hole of the main beam upper cover plate along the upper space of the main beam cover plate via a fixed guide pulley, and then wound onto the movable pulley block, between the movable pulley and the fixed pulley anti- Wound, and finally fixed to the main beam on a given side of the fixed end of the pulley block.
所述小偏角 和小偏角 α的范围为:  The range of the small declination and the small declination α is:
当 L>a/2时, 0。 < <90 ° , α ζ, 其中: L为卷筒长度, a为主梁上盖板宽度, b为主梁上盖板长度, ζ 为卷 扬机出绳偏角。  When L>a/2, 0. < <90 ° , α ζ, where: L is the length of the reel, a is the width of the upper cover of the main beam, b is the length of the upper cover of the main beam, and ζ is the angle of the rope of the hoist.
最优方案为分界线 ι-ι' 同所述两端各套卷扬机的卷筒垂直中心线与导向 滑轮中心线的连线相平行, 且小偏角 α等于小偏角 两端各套卷扬机与导向滑 轮对称布置。  The optimal solution is that the dividing line ι-ι' is parallel with the line connecting the vertical center line of the hoisting machine at both ends and the center line of the guiding pulley, and the small yaw angle α is equal to the hoist at each end of the small yaw angle and The guide pulleys are arranged symmetrically.
所述的各卷扬机组成的各卷扬系统中的动滑轮组由连杆进行连接。  The movable pulley blocks in each of the hoisting systems composed of the hoists are connected by a connecting rod.
主梁两端盖板上的卷扬机支座承阶梯状分布, 且各导向滑轮的安装高度与 各卷扬机支座的高度相对应。  The hoist support on the cover plates at both ends of the main beam is arranged in a stepped manner, and the installation height of each guide pulley corresponds to the height of each hoist support.
由于采用了上述技术方案, 本发明提供的多吊点起重机起升钢丝绳空间防 干涉布置, 通过一种简单的结构实现了, 多套卷扬系统组成的起升机构的钢丝 绳系统空间防干涉布置方案适合于采用狭窄复合主梁的大起升高度、 大跨度的 多吊点起重机,从而使该起重机在吊运钻井平台等超大起重量结构物时具有如 下忧点:  Due to the adoption of the above technical solution, the multi-point lifting crane hoisting wire rope space anti-interference arrangement provided by the present invention is realized by a simple structure, and the space anti-interference arrangement scheme of the wire rope system of the hoisting mechanism composed of multiple sets of hoisting systems It is suitable for large lifting height and large span multi-hanging cranes with narrow composite main girder, so that the crane has the following worries when lifting large lifting structures such as drilling platforms:
1、 能使多吊点起重机起升机构工作安全可靠;  1. It can make the lifting crane lifting mechanism work safe and reliable;
2、 机构布置简单、 制造、 安装、 维修方便;  2. The mechanism is simple to arrange, easy to manufacture, install and maintain;
3、 由多套卷扬系统组成的起升机构效率高;  3. The hoisting mechanism consisting of multiple sets of hoisting systems is highly efficient;
4、 自重轻、 能适应宽度小的主梁, 从而降低整个起重机成本。 附图说明 4, light weight, can adapt to the main beam of small width, thus reducing the overall cost of the crane. DRAWINGS
图 1为本发明的结构示意图;  Figure 1 is a schematic structural view of the present invention;
图 2为本发明的主视图;  Figure 2 is a front view of the present invention;
图 3为本发明的主梁俯视图;  Figure 3 is a plan view of the main beam of the present invention;
图 4为本发明钢丝绳的缠绕结构示意图;  Figure 4 is a schematic view showing the winding structure of the steel wire rope of the present invention;
图 1为本发明的说明书摘要附图。  BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a drawing of the abstract of the present invention.
图中: 1、 卷扬机, 2、 导向滑轮, 3、 动滑轮组, 4、 连杆, 5、 定 滑轮组, 6、钢丝绳, 7、卷扬机支座, 8、单绳出 /入孔, 9、固定端, 10、 主梁, 11、 上盖板。  In the figure: 1, winch, 2, guide pulley, 3, moving pulley group, 4, connecting rod, 5, fixed pulley group, 6, wire rope, 7, hoist support, 8, single rope out / hole, 9, fixed end , 10, main beam, 11, upper cover.
具体实施方式 detailed description
如图 1〜图 4所示多吊点起重机起升钢丝绳空间防干涉布置,应用于吊钻井 平台等超重结构用多吊点起重机中。该起重机通常用于起吊超大载荷,其主梁高 度尺寸较大,而主梁腹板间宽度尺寸较小,通常由多套卷扬系统组成, 每套卷扬 系统包括卷扬机 1、 导向滑轮 2、 动滑轮组 3、 动滑轮组间连杆 4、 定滑轮组 5、 钢丝绳 6、卷扬机支座 7等组成, 通常每套卷扬系统包含 4个动滑轮组, 每个动 滑轮组下面控制 1个吊点。 卷扬机 1包括卷筒(包括钢丝绳压板)、 减速器、 制 动器、 开式齿轮、 联轴器、 浮动轴等部件, 即从与电机相连的联轴器到末级制 动的整套驱动机构。 其中钢丝绳 6在导向滑轮 2与卷扬机 1的有效部分之间形 成钢绳占用面积, 该面积可用以导向滑轮 2 为角顶的两个三角形 AABC 与 A A' B' C'来表征, 如图 4所示当 L>a/2时, (L为卷筒长度, a为主梁上盖板宽度, b 为主梁上盖板长度, ζ 为卷扬机出绳偏角) 也就是当两个三角形正放顶点 A 与 A'相碰时就一定会产生干涉问题, 用传统机械结构来解决这个问题在大吨位 起重机中不能够来解决这个问题;因此本发明将两个三角形沿分界线 对称 并相向布置, 分界线 I- 同主梁中心线构成小偏角^ 所述小偏角 的范围为: 0° < e <90° 。  As shown in Figure 1 to Figure 4, the multi-hanger crane hoisting wire rope space anti-interference arrangement is used in multi-hanging cranes for overweight structures such as hanging drilling platforms. The crane is usually used for lifting large loads, the main beam height is large, and the width between the main girder webs is small, usually composed of multiple sets of hoisting systems, each hoisting system includes a hoist 1, a guide pulley 2 The movable pulley block 3, the moving pulley group connecting rod 4, the fixed pulley group 5, the wire rope 6, the hoisting machine support 7 and the like, usually each set of hoisting system comprises 4 moving pulley sets, and each moving pulley group controls one hanging point below. The winch 1 includes a reel (including a wire rope press plate), a speed reducer, a brake, an open gear, a coupling, a floating shaft, and the like, that is, a complete drive mechanism from a coupling connected to the motor to a final stage brake. Wherein the wire rope 6 forms a steel wire occupation area between the guide pulley 2 and the effective portion of the hoisting machine 1, and the area can be characterized by two triangles AABC and AA' B' C' which are the angled top of the guide pulley 2, as shown in FIG. When L>a/2, (L is the length of the reel, a is the width of the main girder cover, b is the length of the main girder cover, ζ is the hoist angle of the hoist), that is, when the two triangles are placed When the apex A and A' collide, the interference problem must be generated. Solving this problem with the traditional mechanical structure cannot solve this problem in the large-tonnage crane; therefore, the present invention aligns the two triangles symmetrically and oppositely along the boundary line. The boundary line I- forms a small declination angle with the center line of the main beam. The range of the small declination is: 0° < e <90°.
卷扬机 1放到主梁 10的盖板上面, 每根主梁两端盖板上面布置 2套或 2套 以上卷扬机; 每套卷扬机的钢丝绳 6沿主梁盖板的上部空间经一个固定导向滑 轮 2从主梁上盖板上的单绳出 /入孔 8进入主梁内定滑轮组 5上, 然后缠绕到动 滑轮组 3上, 在动滑轮和定滑轮之间反复缠绕如图 4所示, 最后固定在主梁内 定滑轮侧的固定端 9上。 其中主梁两端上面的每套卷扬机采用不同高度的卷扬机支座 7,使不同卷扬 机卷筒钢丝绳 6 的出绳高度不同, 且所形成的钢绳占用面不在同一平面; 主梁 10两端盖板上的卷扬机支座 7承阶梯状分布, 且各导向滑轮 2的安装高度与各 卷扬机支座 7的高度相对应如图 3所示。 另外两端各套卷扬机 1的卷筒垂直中 心线与导向滑轮 2中心线的连线与主梁 10的中心线也形成 1个小偏角 α, 小偏 角 α的范围: 为 ι ζ, 其中 为卷扬机出绳偏角取值范围为小于等于 2。 The hoisting machine 1 is placed on the cover plate of the main beam 10, and two or more sets of hoisting machines are arranged on the upper cover plates of each main beam; the wire ropes 6 of each hoisting machine are passed along a fixed guiding pulley 2 in the upper space of the main beam cover plate. The single rope exit/inlet hole 8 on the upper beam upper cover enters the main beam inner pulley block 5, and then is wound onto the movable pulley block 3, and is repeatedly wound between the movable pulley and the fixed pulley as shown in Fig. 4, and finally fixed at the main The beam is fixed on the fixed end 9 of the pulley side. Wherein each set of hoisting machines on both ends of the main beam adopts hoisting machines 7 of different heights, so that the hoisting heights of the different hoisting reel wire ropes 6 are different, and the formed steel rope occupying faces are not in the same plane; The hoist support 7 on the plate is distributed in a stepped manner, and the mounting height of each of the guide pulleys 2 corresponds to the height of each of the hoisting supports 7 as shown in FIG. Further, the line connecting the vertical center line of the reel 1 at both ends and the center line of the guide pulley 2 and the center line of the main beam 10 also form a small off angle α, and the range of the small off angle α is ι ζ, wherein The range of the hoisting angle of the hoist is less than or equal to 2.
且界线 I- 1 ' 同所述两端各套卷扬机 1的卷筒垂直中心线与导向滑轮 2中心 线的连线相平行, 且小偏角 α等于小偏角 两端各套卷扬机与导向滑轮对称布 置, 位于同一端上的各卷扬机 1同主梁 10产生的偏角方向一致; 这样布置能使 钢丝绳 6在空间形成交错布置, 既避免钢丝绳间以及钢丝绳与主梁的干涉, 又 使钢丝绳与卷扬机卷筒以及滑轮的偏角符合标准。 另外各卷扬机 1 组成的各卷 扬系统中的动滑轮组 3由连杆 4进行连接。  And the boundary line I-1' is parallel with the line connecting the vertical center line of the hoist 1 at both ends and the center line of the guide pulley 2, and the small yaw angle α is equal to the hoist and the guide pulley at both ends of the small yaw angle Symmetrically arranged, the hoisting machines 1 on the same end are in the same direction as the eccentric angle generated by the main beam 10; this arrangement enables the wire ropes 6 to be staggered in space, avoiding interference between the wire ropes and the wire ropes and the main beams, and The hoisting drum and the yaw angle of the pulley meet the standard. Further, the movable sheave group 3 in each of the hoisting systems composed of the hoists 1 is connected by the link 4.
这里以主梁布置 6套卷扬系统为例进行说明: 在主梁 10上面需布置 6套卷 扬机 1, 为了保证钢丝绳在卷筒和滑轮上的偏角不超过标准规定,最终采用每端 3套卷扬机 1, 其中主梁上盖板的长 b为 130米, 上盖板宽 a为 4米, 卷扬机构 许用钢丝绳偏角 小于等于 2度, 根据前面的经验公式求出 ^的值为 1. 04度, 这时取两端各套卷扬机 1的卷筒垂直中心线与导向滑轮 2中心线的连线与主梁 10的中心线也形成 1个小偏角 α也为 1. 04度, 使对称平行。  Here, the 6 sets of hoisting system with the main beam are arranged as an example: 6 sets of hoisting machine 1 are arranged on the main beam 10, in order to ensure that the yaw angle of the wire rope on the reel and the pulley does not exceed the standard, 3 sets of each end are finally adopted. The hoisting machine 1, wherein the length b of the upper cover of the main beam is 130 meters, the width a of the upper cover is 4 meters, and the deflection angle of the hoisting mechanism is less than or equal to 2 degrees. According to the previous empirical formula, the value of ^ is 1. 04度。 At the same time, the center line of the hoisting machine 1 and the center line of the guide pulley 2 and the center line of the main beam 10 also form a small yaw angle α is also 1. 04 degrees, so that Symmetrical parallel.
套卷扬机 1采用不同高度的支座 7,使钢丝绳形成交错布置, 同时各卷扬机 1组成的各卷扬系统中的动滑轮组 3由连杆 4进行连接,使该卷扬系统中各动滑 轮组 3 间保持固定距离; 避免了梁上部钢丝绳之间的干涉问题, 同时由于该布 置使导向轮 2与定滑轮组 5间的空间位置改变, 既容易保证主梁内钢丝绳与滑 轮偏角符合要求, 又可避免了钢丝绳间的互相干涉。 其中单卷扬系统的钢丝绳 缠绕是钢丝绳 6从卷扬机 1出来经导向滑轮 2到达定滑轮组 5,再到动滑轮组 3, 在动滑轮和定滑轮之间反复缠绕, 最后固定在主梁内定滑轮侧的固定端 9上, 使用时无论吊点怎么动作, 都不会出现钢丝绳之间相互干扰。  The hoisting machine 1 adopts the supports 7 of different heights to form the wire ropes in a staggered arrangement, and the movable pulley blocks 3 in the hoisting systems composed of the hoisting machines 1 are connected by the connecting rods 4, so that the moving pulley blocks 3 in the hoisting system Maintaining a fixed distance; avoiding the interference problem between the upper wire ropes of the beam, and at the same time, due to the arrangement, the spatial position between the guide wheel 2 and the fixed pulley block 5 is changed, which is easy to ensure that the wire rope and the pulley yaw angle in the main beam meet the requirements, and can be avoided. The mutual interference between the wires. The wire rope winding of the single-winding system is that the wire rope 6 is taken out from the hoisting machine 1 through the guiding pulley 2 to the fixed pulley group 5, and then to the movable pulley group 3, which is repeatedly wound between the moving pulley and the fixed pulley, and finally fixed on the fixed pulley side of the main beam. On the end 9, no matter how the lifting point moves during use, there will be no mutual interference between the wires.
以上所述, 仅为本发明较佳的具体实施方式, 但本发明的保护范围并不局 限于此, 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内, 根据本 发明的技术方案及其发明构思加以等同替换或改变, 都应涵盖在本发明的保护 范围之内。  The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any technical person skilled in the art within the technical scope disclosed by the present invention, the technical solution according to the present invention Equivalent substitutions or modifications of the inventive concept are intended to be included within the scope of the invention.

Claims

权 利 要 求 Rights request
1、 一种多吊点起重机起升钢丝绳空间防干涉布置, 包括主梁 (10)、 动滑 轮组 (3)、 定滑轮组 (5)和卷扬机(1), 主梁(10)上盖板的上部空间内装有 导向滑轮(2), 两端的盖板上设有卷扬机支座(7)用来固定卷扬机(1), 所述 的钢丝绳 (6)在导向滑轮(2)与卷扬机(1) 的有效部分之间形成钢绳占用面 积, 该面积可用以导向滑轮(2)为顶角的两个三角形 AABC与 AA'B'C'来表征, 其特征在于所述的两个三角形沿分界线 对称并相向布置, 分界线 I- Γ 同 主梁中心线构成小偏角 所述的主梁(10)上盖板两端设有 2套或 2套以上的 卷扬机 (1); 所述的各卷扬机支座 (7) 的高度不同, 且各导向滑轮 (2) 的安 装高度和位置与各卷扬机支座(7) 的高度相对应也不同, 所形成的钢绳占用面 不在同一平面; 所述两端各套卷扬机 (1) 的卷筒垂直中心线与导向滑轮 (2) 中心线的连线与主梁 (10) 的中心线也形成 1个小偏角 α, 位于同一端上的各 卷扬机(1) 同主梁(10)产生的偏角方向一致, 且主梁两端的卷扬机与主梁形 成的偏角相对; 所述卷扬机 (1) 的钢丝绳 (6) 沿主梁 (10)盖板的上部空间 经一个固定导向滑轮(2)从主梁上盖板上的单绳出 /入孔(8)进入主梁内定滑 轮组(5)上, 然后缠绕到动滑轮组(3) 上, 在动滑轮和定滑轮之间反复缠绕, 最后固定在主梁上定滑轮组侧面的固定端 (9)上。 1. A space anti-interference arrangement for a multi-hanging crane hoisting wire rope, comprising a main beam (10), a movable pulley block (3), a fixed pulley block (5) and a winch (1), an upper part of the upper cover of the main beam (10) The space is equipped with a guiding pulley (2), and the cover plates at both ends are provided with a hoisting machine support (7) for fixing the hoisting machine (1), and the wire rope (6) is effective in the guiding pulley (2) and the hoisting machine (1) A steel rope footprint is formed between the portions, which can be characterized by two triangles AABC and AA'B'C' with the leading pulley (2) as the apex angle, characterized in that the two triangles are symmetric along the boundary line and Opposite arrangement, boundary line I- Γ with the main beam center line constitutes a small yaw angle. The main beam (10) has two or more sets of hoisting machines (1) at both ends of the upper cover plate; The height of the seat (7) is different, and the installation height and position of each guide pulley (2) are different from the heights of the hoisting supports (7), and the formed steel rope occupying faces are not in the same plane; Vertical centerline of the reel of each set of hoist (1) and guide pulley (2) The line connecting the center line and the center line of the main beam (10) also form a small declination angle α. The hoisting machines (1) on the same end are in the same direction as the eccentric angle generated by the main beam (10), and the main beam is two. The hoisting machine of the end is opposite to the eccentric angle formed by the main beam; the wire rope (6) of the hoisting machine (1) is along the upper space of the cover plate of the main beam (10) via a fixed guiding pulley (2) from the upper cover of the main beam The rope exit/inlet hole (8) enters the main beam inner pulley block (5), and then is wound onto the movable pulley block (3), and is repeatedly wound between the movable pulley and the fixed pulley, and finally fixed on the fixed end of the side of the main pulley on the fixed pulley block (9) )on.
2、 根据权利要求 1所述的多吊点起重机起升钢丝绳空间防干涉布置, 其特 征在于所述小偏角 S和小偏角 α的范围为:  2. The multi-point lifting crane hoisting wire rope space anti-interference arrangement according to claim 1, wherein the range of the small yaw angle S and the small yaw angle α is:
当 L>a/2时, 0° < <90。 , α ζ, 其中: L为卷筒长度, a为主梁上盖板宽度, b为主梁上盖板长度, ζ 为卷 扬机出绳偏角。  When L>a/2, 0° < <90. , α ζ, where: L is the length of the reel, a is the width of the upper cover of the main beam, b is the length of the upper cover of the main beam, and ζ is the angle of the rope of the hoist.
3、 根据权利要求 1或 2所述的多吊点起重机起升钢丝绳空间防干涉布置, 其特征在于最优方案为分界线 I- 1' 同所述两端各套卷扬机 (1) 的卷筒垂直中 心线与导向滑轮 (2) 中心线的连线相平行, 且小偏角 α等于小偏角 两端各 套卷扬机与导向滑轮对称布置。  3. The space anti-interference arrangement of the multi-hanging crane hoisting wire rope according to claim 1 or 2, characterized in that the optimal solution is the dividing line I-1' with the reel of the hoist (1) at both ends The vertical center line is parallel to the line connecting the center line of the guide pulley (2), and the small yaw angle α is equal to the symmetrical arrangement of the hoist and the guide pulley at both ends of the small yaw angle.
4、 根据权利要求 1所述的多吊点起重机起升钢丝绳空间防干涉布置, 其特 征在于所述的各卷扬机 (1 ) 组成的各卷扬系统中的动滑轮组 (3) 由连杆 (4) 进行连接。 4. The space anti-interference arrangement of the hoisting wire rope of the multi-lifting crane according to claim 1, The movable pulley block (3) in each of the hoisting systems composed of the respective hoists (1) is connected by a connecting rod (4).
5、 根据权利要求 1所述的多吊点起重机起升钢丝绳空间防干涉布置, 其特 征在于主梁(10)两端盖板上的卷扬机支座(7)承阶梯状分布, 且各导向滑轮 (2) 的安装高度与各卷扬机支座(7) 的高度相对应。  5. The space anti-interference arrangement of the hoisting wire rope of the multi-hanging crane according to claim 1, characterized in that the hoisting machine support (7) on the cover plates at both ends of the main beam (10) is arranged in a stepped manner, and each guiding pulley The mounting height of (2) corresponds to the height of each hoist support (7).
PCT/CN2007/003426 2007-06-29 2007-12-03 Wire rope space anti-interference arrangement for crane with multiple hoisting points WO2009003332A1 (en)

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CN200710011936A CN100581975C (en) 2007-06-29 2007-06-29 Space interference-resistant arrangement for multiple hanging points crane hoisting wire rope
CNU200720013041XU CN201068366Y (en) 2007-06-29 2007-06-29 Space interference-resistant arrangement for multiple hanging points crane hoisting wire rope
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CN109057468A (en) * 2018-09-10 2018-12-21 江苏弘泰利停车设备科技有限公司 A kind of elevating mechanism of screw rod transmission
CN109057468B (en) * 2018-09-10 2024-05-28 刘国辉 Lifting mechanism driven by screw rod
CN111268457A (en) * 2020-03-20 2020-06-12 大连华锐重工集团股份有限公司 Quick overhead hoist of machine of clearing storehouse
CN111268457B (en) * 2020-03-20 2023-08-04 大连华锐重工集团股份有限公司 Quick overhead hoist of storehouse machine
CN113879975A (en) * 2021-10-22 2022-01-04 合肥市春华起重机械有限公司 Double-main-beam multi-lifting-point crane and working method thereof
CN113879975B (en) * 2021-10-22 2024-01-26 合肥市春华起重机械有限公司 Double-girder multi-hoisting-point crane and working method thereof
CN116853944A (en) * 2023-08-01 2023-10-10 湖南可道工程有限公司 Hoisting device for lifting materials used on construction site
CN116853944B (en) * 2023-08-01 2024-06-04 东营文涛建设工程有限公司 Hoisting device for lifting materials used on construction site

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KR20100023973A (en) 2010-03-04
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RU2010102937A (en) 2011-08-10
JP2010531794A (en) 2010-09-30

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